NCS325: Single Operational Amplifier, 50 µV Offset, 0.25 µV/°C, Zero-Drift Precision, Low Power

The NCS325 is a CMOS operational amplifier providing precision performance. The Zero−Drift architecture allows for continuous auto−calibration, which provides very low offset, near−zero drift over time and temperature, and near flat 1/f noise at only 35 µA (max) quiescent current. These benefits make it ideal for precision DC applications. The NCS325 provides rail−to−rail input and output performance and is optimized for low voltage operation as low as 1.8 V and up to 5.5 V. The NCS325 is available in the space saving SOT23−5 package.

Features
  • Low Offset Voltage: 14 µV typ, 50 µV max at 25°C
  • Zero Drift: 0.25 µV/°C max
  • Low Noise: 1 µVpp, 0.1 Hz to 10 Hz
  • Quiescent Current: 21 µA typ, 35 µA max at 25°C
  • Rail−to−Rail Input and Output
  • Internal EMI Filtering
  • Supply Voltage: 1.8 V to 5.5 V
Benefits
  • Higher precision and reduced error
  • Low offset voltage variability over temperature
  • Reduced error from noise
  • Low current consumption
  • Wide input and output range
  • Improved EMI Immunity
  • Wide supply voltage range
Applications
  • Current Sensing
  • Differential Amplification
  • Transducer Applications
End Products
  • Battery Powered Instruments
  • Electronic Scales
  • Medical Instrumentation
Simulation Models (2)
Document TitleDocument ID/SizeRevisionRevision Date
NCS325 Capture LibraryNCS325 Capture Library (7kB)0Mar, 2014
NCS325 PSpice ModelNCS325 Pspice Model (5kB)0Mar, 2014
Package Drawings (1)
Document TitleDocument ID/SizeRevision
TSOP-5483 (32.5kB)M
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
50 uV Offset, 0.25 uV/C, 35 uA, Zero-Drift Operational AmplifierNCS325/D (756kB)4Nov, 2016
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
NCS325SN2T1GActivePb-free Halide freeTSOP-5 / SOT-23-54831Tape and Reel3000$0.4667
Specifications
ProductRail to RailChannelsVCC Min (V)VCC Max (V)IO Min (mA)IO Typ (mA)ID Typ (mA)GBW Typ (MHz)SR Typ (V/µs)VIO Max (mV)
NCS325SN2T1GInput/Output11.85.550.0210.350.160.05
50 uV Offset, 0.25 uV/C, 35 uA, Zero-Drift Operational Amplifier (756kB) NCS325
NCS325 Capture Library NCS325
NCS325 PSpice Model NCS325
TSOP-5 NUP4004M5